/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NDISkeletalMeshCommon.h
FVector2D GetVertexUV ( const [FSkeletalMeshLODRenderData](API\Runtime\Engine\Rendering\FSkeletalMeshLODRenderData) * LODData, int32 VertexIdx, int32 UVChannel ) const